Browsing by Subject "Allophane"

Browsing by Subject "Allophane"

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  • Clays and Clay Minerals, Vol. 54, No. 6, 721–736, 2006. 
    Simas, Felipe N. B.; Schaefer, Carlos Ernesto G. R.; Melo, Vander F.; Guerra, Marcelo B. B.; Saunders, Martin; Gilkes, Robert J. (The Clay Minerals SocietyThe Clay Minerals Society, 2006-11)
    Cryosols from Maritime Antarctica have been less studied than soils from continental areas of Antarctica. In this work X-ray diffraction, difference X-ray diffraction, differential thermal analysis, thermogravimetry, ...
  • Clays and Clay Minerals, Vol. 55, No. 4, 443–449, 2007. 
    Abidin, Zaenal; Matsue, Naoto; Henmi, Teruo (The Clay Minerals SocietyThe Clay Minerals Society, 2007)
    Nano-ball allophane is a hydrous Al silicate with a hollow-sphere morphology that contains some defects or pores along the spherule walls. Enlargement of the pore openings by dilute alkali treatment was confirmed by cation ...
  • Clays and Clay Minerals, Vol. 55, No. 6, 599–605, 2007. 
    Hashizume, Hideo; Theng, Benny K. G. (The Clay Minerals SocietyThe Clay Minerals Society, 2007)
    We have investigated the adsorption of adenine, adenosine, ribose, and adenosine-5’-phosphate (5’-AMP) by allophane at pH 4, 6 and 8. Adenine, adenosine and ribose gave similar isotherms, i.e. adsorption increased regularly ...
  • Clays and Clay Minerals, Vol. 57, No. 1, 72–81, 2009. 
    Kaufhold, Stephan; Kaufhold, Annette; Jahn, Reinhold; Brito, Salomon; Dohrmann, Reiner; Hoffmann, Rainer; Gliemann, Hartmut; Weidler, Peter; Frechen, Manfred (The Clay Minerals Society, 2009)
    In Ecuador, DINAGE (known today as the Servicio Geolo´gico Nacional) and the German Federal Institute for Geosciences and Natural Resources have discovered a huge allophane deposit covering an area of >4000 km2. This study ...
  • Clays and Clay Minerals, Vol. 58, No. 5, 707–716, 2010. 
    Kaufhold, Stephan; Ufer, Kristian; Kaufhold, Annette; Stucki, Joseph W.; Anastacio, Alexandre S.; Jahn, Reinhold; Dohrmann, Reiner (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Allophane is a very fine-grained clay mineral which is especially common in Andosols. Its importance in soils derives from its large reactive surface area. Owing to its short-range order, allophane cannot be quantified by ...
  • Clays and Clay Minerals, Vol. 60, No. 5, 456–463, 2012. 
    Fuchs, Marco; Abidin, Zaenal; Kubel, Christian; Weidler, Peter G.; Matsue, Naoto; Henmi, Teruo; Koster, Rainer; Gliemann, Hartmut (The Clay Minerals SocietyThe Clay Minerals Society, 2012)
    In order to obtain nanopatterned surfaces, natural allophane particles originating from Japanese soils were immobilized as single particles on Si wafer substrates.When derived from aqueous suspensions, only a few nanoparticles ...
  • Clays and Clay Minerals, Vol. 61, No. 1, 57–74, 2013. 
    Bishop, Janice L.; Rampe, Elizabeth B.; Bish, David L.; Abidin, Zaenal; Baker, Leslie L.; Matsue, Naoto; Henmi, Teruo (The Clay Minerals Society, 2013)
    Allophane and imogolite are common alteration products of volcanic materials. Natural and synthetic allophanes and imogolites were characterized in the present study in order to clarify the shortrange order of these materials ...